Home / 100,208,051.20-150,312,076.80-61,944,299.20

Finding the Fourth Proportional to 100,208,051.20, 150,312,076.80 and 61,944,299.20

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Solution

The fourth proportional to 100,208,051.20, 150,312,076.80 and 61,944,299.20 is: 92,916,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,208,051.20 : 150,312,076.80 = 61,944,299.20 : x
  2. Step 2: Convert to fraction form
    100,208,051.20/150,312,076.80 = 61,944,299.20/x
  3. Step 3: Cross multiply
    100,208,051.20x = 150,312,076.80 × 61,944,299.20
  4. Step 4: Simplify right side
    100,208,051.20x = 9,310,976,258,672,580
  5. Step 5: Solve for x
    x = 9,310,976,258,672,580/100,208,051.20
  6. Step 6: Final answer
    x = 92,916,448.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.